Question

HELP! Find the equivalent of this piecewise equation : f(x) = lxl

Answer 1

Maybe |-x| ??

Answer 2

nah

Answer 3

I need to understand how to this equation but I'm not sure how. Please help!

Answer 4

\[ |x| = \left\{\begin{array}{rcc}
x & \text{if} & x \geq 0 \\
- x & \text{if} & x < 0
\end{array}
\right.
\]will do

Answer 5

Could you explain how you got that please? It would be so much help. Thank you!

Answer 6

That is correct. It is directly from the definition of absolute value.... Sorry I forgot

Answer 7

Could you maybe explain this to me? I'm still confused. Thanks!